Local Calling Guide

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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 543

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-543 A Arlington EMS TX FTWOTXCRDS1  9533 SOUTHWESTERN BELL 552      
817-543 0 Arlington EMS TX   9533 SOUTHWESTERN BELL 552      
817-543 1 Arlington EMS TX   9533 SOUTHWESTERN BELL 552      
817-543 2 Arlington EMS TX   5562 METROPCS, INC. 552   2015-01-30   
817-543 3 Arlington EMS TX   9533 SOUTHWESTERN BELL 552      
817-543 4 Arlington EMS TX   9533 SOUTHWESTERN BELL 552      
817-543 5 Arlington EMS TX   9533 SOUTHWESTERN BELL 552      
817-543 6 Arlington EMS TX   9533 SOUTHWESTERN BELL 552      
817-543 7 Arlington EMS TX   9533 SOUTHWESTERN BELL 552      
817-543 8 Arlington EMS TX   9533 SOUTHWESTERN BELL 552      
817-543 9 Arlington EMS TX   9533 SOUTHWESTERN BELL 552      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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